Proof coinage

（重定向自Proof coin）

2002 Lincoln cent, obverse, proof with cameo

Proof coinage means special early samples of a coin issue, historically made for checking the dies and for archival purposes, but nowadays often struck in greater numbers specially for coin collectors (numismatists). Nearly all countries have issued proof coinage.

单词	Proof coin
释义	Proof coin 英语百科 Proof coinage （重定向自Proof coin） Proof coinage means special early samples of a coin issue, historically made for checking the dies and for archival purposes, but nowadays often struck in greater numbers specially for coin collectors (numismatists). Nearly all countries have issued proof coinage.
随便看	electron chronometer的意思 electron chronometre的意思 electron circuit的意思 electron circum theory的意思 electron classical radius的意思 Electron cloud的意思 Electron clouds的意思 electron cluster的意思 electron collection的意思 electron collection counter的意思 electron collection pulse chamber的意思 electron collection time的意思 electron collector的意思 electron collimating magnet的意思 electron collision的意思 electron collision frequency的意思 electron colour scanner的意思 electron communication的意思 electron compass的意思 electron componenet的意思 electron compound的意思 electron compounds的意思 electron computer的意思 electron concentration的意思 electron concentration rule的意思